S
M
T
W
T
F
S
30
87°
77°
31
88°
76°
1
82°
69°
2
83°
70°
3
81°
70°
4
83°
72°
5
81°
71°
6
80°
67°
7
81°
69°
8
82°
68°
9
81°
67°
10
82°
66°
11
82°
67°
12
80°
66°
13
81°
67°
14
80°
66°
15
76°
67°
16
77°
67°
17
77°
69°
18
78°
69°
19
77°
68°
20
77°
68°
21
78°
67°
22
77°
66°
23
76°
67°
24
77°
67°
25
77°
68°
26
78°
68°
27
77°
69°
28
77°
69°
29
78°
68°
30
77°
69°
1
77°
69°
2
78°
68°
3
77°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kealakekua
Kealakekua's September 2026 forecast shows daily high temperatures ranging from 76° to 83°, with overnight lows between 66° and 72°. The average high for September is 79° with an average low of 68°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Kealakekua. See also: October | November | December.
